440430465 has 16 divisors (see below), whose sum is σ = 705025728. Its totient is φ = 234783936.

The previous prime is 440430443. The next prime is 440430479. The reversal of 440430465 is 564034044.

It is not a de Polignac number, because 440430465 - 2¹⁴ = 440414081 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32614 + ... + 44096.

It is an arithmetic number, because the mean of its divisors is an integer number (44064108).

Almost surely, 2^440430465 is an apocalyptic number.

It is an amenable number.

440430465 is a deficient number, since it is larger than the sum of its proper divisors (264595263).

440430465 is a wasteful number, since it uses less digits than its factorization.

440430465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14048.

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 440430465 is about 20986.4352618543. The cubic root of 440430465 is about 760.8384473594.

The spelling of 440430465 in words is "four hundred forty million, four hundred thirty thousand, four hundred sixty-five".